Fix bug with doublesskeet

What's Changed

• reorganize helpers by @mrbusche in #282
• more static methods by @mrbusche in #283
• Use non deprecated method by @mrbusche in #284
• remove qodana by @mrbusche in #285
• beta spring boot, clean up gradle output by @mrbusche in #286
• increase swap space by @mrbusche in #287
• fix doublesskeet bug by @mrbusche in #288

Full Changelog: v5.0.0...v5.1.0